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Finding the Fourth Proportional to 698,746.79, 964,748.59 and 535,114.57

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Solution

The fourth proportional to 698,746.79, 964,748.59 and 535,114.57 is: 738,824.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,746.79 : 964,748.59 = 535,114.57 : x
  2. Step 2: Convert to fraction form
    698,746.79/964,748.59 = 535,114.57/x
  3. Step 3: Cross multiply
    698,746.79x = 964,748.59 × 535,114.57
  4. Step 4: Simplify right side
    698,746.79x = 516,251,026,895.96
  5. Step 5: Solve for x
    x = 516,251,026,895.96/698,746.79
  6. Step 6: Final answer
    x = 738,824.18

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.